Hook



April 13 1926. A 1,580,590

G. B. N. DOW ET Al.

HOOK

Filed Nov. 1 2, 1925 Patented Apr.. 13, i926.

cuirs Yer rssasec `Ffliciei., i

GEORGE B. N. DOW" AND GEORGE 5. J'. CLARK, LOF MANCHESTER, NEW'HAMPSHIRE HOOK.

`Implication filed It'ovember 12, v192.5. Serial No. 687,614..

To all whom t may concern.'

.Be it known that we, Grenen l- N. Dow and Grenen J. J. CLARK, citizensof the United States, residing at Manchester, in the county ofHillsborough and State of New Hampshire, have invented a new anduseful'Hook, of which the following is a specification.

This invention aims to provide novel means for connecting a pair ofchains, lfor connecting-the ends of a chain, or thelike, iu such a waythat the aforesaid objects will be prevented from becoming separatedaccidentally, it being possible to effect ya separation readily, at thewill of an operator.

It is within the province of the disclosure to improve generally and toenhance the utility of devices of that type to which the inventionappertains.

With the above and other objects in view which will appear as thedescription proceeds, the invention resides in the combination andarrangement of parts and in the details of construction hereinafterdescribed and claimed it being understood that changes in the preciseembodiment of the invention herein disclosed, may be made within thescope of what is claimed, without departing from the spirit of theinvention.

In the drawings Figure 1 shows in side elevation, a device constructedin accordance with the invention; Figure 2 is a plan; Figure 8 is alongitudinal section wherein parts reni-ain in elevation; Figure 4 is afragmental longitudinal section taken in a plane about at right anglesto the cuttingplane in Figure 8; Figure 5 is an elevation wherein theseats of thebody and of the disks have been alined for the reception ofone link of the.

chain; Figure 6 is a sectional view showing the parts as they willappear after one link of the chain has been pushed into the registeringseats of the body and of the disks; Figure 7 is an edge viewillustrating a slight modification in one of the disks.

The device forming the subject matter of this application preferably ismade of metal throughout and includes a body 1 comprising a shank 2 andspaced arms 3, the shank 2 being supplied with a connector, such as ahook 4, adapted to engage one end of a chain 5. A shaft 6 is mounted inthe arms 8 and form part of the body 1. That end of the arms 3 which is`opposite to the con nector 4 is provided with seats 7. Y ,Y Spaced disks8 are located between the arms 3 and are mounted to rotate on the shaft6. In their edges, the disks 8 have 60 seats 9 adapted to be broughtinto registration with each other, andvinto Vregistration with the seats7 of the body 1.VK In orderto facilitate a rotation of the disks 8, thesame may be provided in their edges with depressions 18, although, ifdesired, the edges of the disks may be milled, as shown at 28 in Figure7 in connection with the disks 8.

The numeral 10 marks a hook comprising an outer arm 15 and an inner arm17 con- 70 nected by a bend 16, the inner arm 17 liaving an eye orbearing 12 mounted on the shaft 6, the hook 10 extending between thedisks 8. The hook 10 is adapted to receive a chain 11 or the like, `andthe end 14fof the 75 outer arm 15 moves close to the periphery of thedisks 8. The inner edge of the arm 17 forms a cam 19.

Generally considered, the device forming the subject matter of thisapplication comprises a body 1 provided at one end with a connector 4and supplied atits opposite end with a seat 7, a disk 8 being provided,the disk having a seat9, and the disk 8 be? ing journaled, at 6, on thebody 1, to permit the seat 9 of the disk 8 and theseat 7 of the body 1to be .brought into registran tion. The hook 10 comprises an inner arm17 and an outer arm 15, a bend 16 connecting the arms, and a bearing 12being carried 90 by the inner arm 17, the bearing 12 alfording meanswhereby the hook 10 isV mounted for swinging movement on the body 1, ina 4 plane parallel to the disk 8. The free end 14 of the outer arm 15 isso located with re- 95 spect to the periphery of the disk 8 that anobject 11, carried by the hook, can be disengaged from the hook onlywhen the seats 7-9 are brought into registration, as in Figure 5, andwhen the hook 10 is swung 100 to open position, to cause the said end 14ofthe outer arm 15 to clear the seats 7.v As hereinbefore stated, theinner arm 17 is provided with a cam 19, and the inner arm 17 is soinclined, Ifrom the bend 16 to 105 the bearing 12, that the cam 19 isinclined with respect to a straight line passing through the connector 4and the bend 16. The construction is such that when an object 11,engaged by the bend 16, is moved into the seats 7 9, from the positionof Figure 5 to the position of Figure G, the seid object will cooperatewith the cem 19 and swing the hook 10, as in Figure 6, toward theeforesaidopen position. It is necessary, then, for the operator to givemerely a, slight swinging movement to the hook 10, to cause the end 14of the arm 15 to clear the registering seats 7-9, whereupon the obje-et10 may be pulled out of the seats, in u way which will be clearlyobvious when Figure is noted, the elements l0 and 5 thus beingseparated. f

What is claimed is:-

A device of the class described comprising a, body provided et one endwith u connector and supplied at its opposite end with e seat, e diskhaving` a seat, the disk being journaled on the body to permit the.seats of the disk and of the body to be brought into registration; ehook comprising inner and outer arms, u bend connecting the arms. and abearing carried by the inner arm, the beering affording means wherebythe hook is mounted for swinging movement on the body, in e planeparallel to the disk, the free end o thc outer arm being so located withrespect t0 the periphery of the disk that an object, carried by thehook, can be disengaged from the hook, only when the sent-s are broughtinto registration and when the hook is swung to open position to causeseid end of the outer arm to clear the seats, the inner arm beingprovided with :L eem, and the inner erm being so inclined, from the bendto the bearing, that the cani is inclined with respect to e straightline passing through the connector und the bend, whereby, when anobject, engaged by the bend, is moved into the seats, the object willcooperate with the earn to swing the hook toward the aforesaid openposition.

in testimony that we claim the foregoing as our1 own, we have heretoznixed our sig"- natures.

GEORGE B. N. DOW. GERGE J. J. CLARK.

